Pentax as much as says that the 1.7x auto focus adapter shouldn't be
used with any lens slower than f2.8. But I had good luck with it using
the A*300 f4.0 on even such enchant film bodies as the ZX-5n. I expect
it depends more on the low light capabilities of the camera itself.
However that teleconverter seems to have electrical problems that make
it more problematic.
On 12/1/2013 3:45 PM, Kenneth Waller wrote:
Max aperture 4.5 or faster would be a no go for me.
-----Original Message-----
From: Alan C <c...@lantic.net>
Subject: Vivitar 1.4x Auto Focus Tele Converter for Pentax
Has anyone tried this tele converter?
http://www.adorama.com/VV14XP.html?utm_term=Other&utm_medium=Affiliate&utm_campaign=Other&utm_source=rflaid65093
Alan
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